AWACS "LIR2/M MARRONE" Passive infrared curtain operated by a microprocessor with alarm signal transmission via supervised radio

Passive infrared curtain controlled by a microprocessor with alarm signal transmission via supervised radio. Compensation of optical range sensitivity as a function of temperature. Anti-masking system, shock sensor, auxiliary input for magnetic contact, temperature sensor with 2 programmable alarm thresholds. Sensitivity adjustable directly from the control panel. Works with AA alkaline battery